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Contract OI history

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Feb 19, 2027 EXPIRATION

OSS $12.50 Call

OSS270219C00012500

Latest saved OI318Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $12.50 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3181590 2026-10-08: 280 OI2026-10-09: 280 OI2026-10-13: 278 OI2026-10-14: 316 OI2026-10-16: 316 OI2026-10-20: 316 OI2026-10-23: 318 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026318+2
Oct 20, 2026Viewing3160
Oct 16, 20263160
Oct 14, 2026316+38
Oct 13, 2026278-2
Oct 09, 20262800
Oct 08, 2026280No prior observation